Sayn Castle in Rhineland-Palatinate by EuroTourData
Sayn Castle is the restored ruins of the spur castle, built around 1152 as the fortified ancestral residence to the Counts of Sayn. During the Thirty Years' War in 1632, Sayn Castle was destroyed by Swedish troops. The castle contains the restaurant DieSayn Burg. The owner of the castle is the Sayn-Wittgenstein-Sayn family.
Source
The article Burg Sayn of German Wikipedia.

Image copyright info
© Creative Commons: Burg Sayn Bergfried, author Tohma. License: CC BY-SA 4.0. Cropped from original.